Nokia Mobile Phones NSE-5 Series, Service Manual, Page: 57 / 327

PAMS
Technical Documentation
NSE–5
System Module
Page 2 – 43
Issue 1 07/99
Table 11. COBBA_GJP pin list (continued)
Description Type Name
62 MIC2N I Second negative high impedance input for micro-
phone.
63 MIC2P I Second positive high impedance input for micro-
phone.
64 MIC1N I Negative high impedance input for microphone.
Table 12. CCONT 3V Pin assignment
Pin Symbol Type State In Reset Description
1 RSSI I Receive Signal Strength Indica-
tor
2 ICHAR I V(ICHAR) Voltage input
3 MODE_SEL I High Z / GND Mode select High Z=normal
mode
GND=RAM_Bck
4 VR3/RAM_bck O 0V/2.8V VR3 regulator output/RAM
backup
5 CNTVR3 I High Z Control VR3 regulator
6 CNTVR2 I High Z Control VR2 regulator
7 CNTVR5 I High Z Control VR5 regulator
8 VBAT P Unregulated supply voltage
(RF)
9 VR2 O High Z VR2 regulator output
10 GROUND P (RF)
11 VR5 O High Z VR5 regulator output
12 VBAT P Unregulated supply voltage
(RF)
13 VREF O 1.244/1.5V Reference voltage output
14 GROUND P (RF)
15 VR4 O High Z VR4 regulator output
16 VBAT P Unregulated supply voltage
(RF)
17 CNTVR4 I High Z Control VR4 regulator
18 TXPWR I High Z Control VR7 regulator
(CNTVR7)
19 VR7BASE O High Z VR7 regulator base current
20 VR7 O High Z VR7 regulator output